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The velocity of an object is what from 15 seconds to the end of the graph according to the following position vs time graph?

A: -2 m/a
B: -1 m/s
C: 0 m/s
D: 1m/s

The Velocity Of An Object Is What From 15 Seconds To The End Of The Graph According To The Following Position Vs Time Graph A 2 Ma B 1 Ms C 0 Ms D 1ms class=

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Initial position, u = 10 m

Final position, v = 5 m

Change in time, ∆t = 5 s

We know that, velocity = ∆x / ∆t

where, ∆x is the displacement and ∆t is the change in time.

∆x = v - u

∆x = 5 m - 10 m

∆x = -5 m

Velocity = ∆x / ∆t

Velocity = -5 m / 5 s

Velocity = -1 m/s

Therefore, B: -1 m/s is the correct answer. A negative velocity means the object is traveling in the other direction.

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